Sea of Solitude
22 Achievements
EA Play
Lonely at the top
Reached top of the Skyscraper
How to unlock the Lonely at the top achievement in Sea of Solitude - Definitive Guide
Story-related and cannot be missed.
See below for more details:
In Chapter 6, you will spend most of your time climbing a broken tower. Once you reach the top, a male monster will be waiting there. Walk up to it to start a cutscene, then this trophy will pop.